InChI=1/C19H24N2O3/c22-19-16(14-20-8-4-1-5-9-20)18(21-10-12-23-13-11-21)15-6-2-3-7-17(15)24-19/h2-3,6-7H,1,4-5,8-14H2/p+1/fC19H25N2O3/h20H/q+1 A51631B46D42A6CD